diff --git a/build.gradle.kts b/build.gradle.kts
index 682335c2a..97aa98380 100644
--- a/build.gradle.kts
+++ b/build.gradle.kts
@@ -24,7 +24,7 @@ import kotlin.system.exitProcess
 
 buildscript {
     repositories.maven("https://jitpack.io")
-    dependencies.classpath("com.github.VolmitSoftware:NMSTools:c5cbc46ce6")
+    dependencies.classpath("com.github.VolmitSoftware:NMSTools:c88961416f")
 }
 
 plugins {
@@ -65,7 +65,7 @@ val color = "truecolor"
 val errorReporting = findProperty("errorReporting") as Boolean? ?: false
 
 val nmsBindings = mapOf(
-        "v1_21_R5" to "1.21.7-R0.1-SNAPSHOT",
+        "v1_21_R5" to "1.21.8-R0.1-SNAPSHOT",
         "v1_21_R4" to "1.21.5-R0.1-SNAPSHOT",
         "v1_21_R3" to "1.21.4-R0.1-SNAPSHOT",
         "v1_21_R2" to "1.21.3-R0.1-SNAPSHOT",
@@ -81,10 +81,6 @@ nmsBindings.forEach { key, value ->
         apply<JavaPlugin>()
         apply<NMSToolsPlugin>()
 
-        repositories {
-            maven("https://libraries.minecraft.net")
-        }
-
         extensions.configure(NMSToolsExtension::class) {
             jvm = jvmVersion.getOrDefault(key, 21)
             version = value
diff --git a/settings.gradle.kts b/settings.gradle.kts
index 18cbee3fe..0f93d3f34 100644
--- a/settings.gradle.kts
+++ b/settings.gradle.kts
@@ -23,6 +23,7 @@ rootProject.name = "Iris"
 
 include(":core", ":core:agent")
 include(
+        ":nms:v1_21_R6",
         ":nms:v1_21_R5",
         ":nms:v1_21_R4",
         ":nms:v1_21_R3",